The animated GIF
Rotating Swirl
comes
From: Giggles & Grins
At: igiggle@aol.com on 1/25/2006
Source: http://www.skytopia.com/project/illusion/illusion.html
Rotating dot whirlpool
Wow! Try staring at this for more than 5 seconds
without going crazy. Then try following it round! =)
Curves constantly die out and then re-evolve as
part of another curve.